Saturday, October 17, 2026

RAG Is Burning Money — I Built a Cost Control Layer to Fix It

Most RAG systems are optimized for answer quality, not cost—and that blind spot gets expensive fast. In this article, I break down a production-ready cost control layer combining semantic caching, query routing, token budgeting, and circuit breaking, achieving an 85% reduction in LLM costs without sacrificing answer quality. The post RAG Is Burning Money —…

Explaining Lineage in DAX

One of the most important concepts in DAX is lineage. It’s about the information on where something comes from. Let’s see what it is and how we can manipulate it. The post Explaining Lineage in DAX appeared first on Towards Data Science.